Abstract: The embodiments of the present disclosure provide a detachable anti-vibration sealing protection device for a pipe flange. The protection device includes a casing, wherein left and right end surfaces of the casing have through holes for the pipeline to pass through, and the casing has an accommodation cavity for placing the flange; a first shock absorption assembly for radial shock absorption of the flange; and a second shock absorption assembly which is installed in a one-to-one correspondence with the flange and is configured for axial shock absorption of the corresponding flange. The first shock absorption assembly and the second shock absorption assembly are installed in the accommodation cavity.

Abstract: A preparation method for a decellularized matrix biomaterial, which combines specific pretreatment, degreasing, disinfection, decellularization, ?-Gal antigen removal and sterilization, and reserves the integrity of bioactive components and structures in a material to the maximum extent while effectively removing an antigenic substance of an animal tissue, so that a decellularized matrix biomaterial having low immunogenicity and high biological activity is obtained. In addition, the decellularized matrix biomaterial prepared by the method effectively reduces immunogen components, has good biocompatibility and biological safety, is beneficial to cell adhesion, aggregation and proliferation on the surface, and can be used as a high-activity biological matrix material to be applied to skin soft tissue defect, gingival recession and periodontal soft tissue repair.

Abstract: Techniques are described with respect to a system, method, and computer product for visualizing viewpoints. An associated method includes receiving access to a multi-party discussion occurring via a telecommunication system and analyzing the multi-party discussion using natural language processing. The method further includes extracting a plurality of viewpoints of the multi-party discussion based on the analysis, synthesizing a subset of the plurality of viewpoints based on the content of each viewpoint of the plurality of viewpoints, and transmitting a rendered synthesized visualization of the subset.

Abstract: The disclosure relates to the technical field of traction batteries, and in particular to a battery pack and a vehicle comprising the battery pack. The invention aims at the problem of large heat loss in the existing traction battery in a low-temperature environment. To this end, the battery pack of the disclosure comprises: a frame internally formed with an installation site; a battery module mounted in the installation site and comprising a number of cells; and a side beam connected to an outer side wall of the frame and made of a first thermal insulation material. The above arrangement can reduce the heat transfer coefficient of natural convection between the side wall of the frame and the environment, and reduce the heat flux, thereby reducing the temperature loss of the cells.

Abstract: The present disclosure provides a traditional Chinese medicine (TCM) syndrome classification method based on multi-graph attention, which comprehensively considers the contribution of symptoms and syndrome elements in syndrome classification by constructing a graph structure, integrates a symptom-symptom graph and a symptom-syndrome element graph into classification, uses a multi-graph attention network to aggregate the features of symptoms and syndrome elements, and finally realizes syndrome classification through a multi-layer perceptron. At the same time, extensive experiments are carried out on real data sets, the effectiveness of the multi-graph attention network is verified, more accurate classification is realized, and better classification results have been achieved.

Abstract: A nail gun includes: a housing; an accessory box for accommodating a fastener and at least partially connected to the housing; and a power output portion for outputting a striking force to the fastener; and an operating member triggered to have at least a first position and a second position, where the nail gun has a maximum desired penetration depth when the operating member is operated to the first position, and the nail gun has a minimum desired penetration depth when the operating member is operated to the second position; and when the operating member switches from the first position to the second position, an angle by which the operating member rotates about a first straight line is less than or equal to 360°.

Abstract: The invention discloses a code testing method. The method includes the following steps of: acquiring a code set to be tested; loading the code set to a corresponding operating chip, and executing the code set by using the operating chip; judging whether a target code subset which is not successfully executed exists in the code set; and if yes, performing an audit testing operation on the code set. The code testing method provided by the invention is simple and feasible to apply, which improves a testing reliability and reduces a testing cost. The invention also discloses a code testing apparatus and device, and a storage medium, which have corresponding technical effects.

Abstract: An approach for managing data set access based on data set relevance. The approach monitors data set access activities associated with a user. The approach detects access of a first data set by the user. The approach determines a group of data sets associated with the first data set based on a data set mapping associated with the user. The approach recalls one or more data sets of the group of data sets from a slower storage device to a faster storage device.

Abstract: A display substrate and a display device are disclosed. In the display substrate, a plurality of openings include a plurality of opening groups, the plurality of opening groups include a plurality of opening group rows, each of the opening groups includes a first opening and a second opening, the plurality of opening group rows includes a first opening group row and a second opening group row, the spacer is located between the first opening of the first opening group row and the second opening of the second opening group row, an orthographic projection of the first opening includes a first long edge, and an orthographic projection of the second opening includes a second long edge, the first long edge is parallel to the second long edge, an extension line of the first long edge is misaligned from an extension line of the second long edge.

Abstract: Provided are a non-aqueous electrolyte and a preparation method thereof, and a secondary battery and an electric apparatus containing the same. The non-aqueous electrolyte contains a non-aqueous solvent and lithium ions, first cations, and first anions dissolved therein, where the first cation is a metal cation Men+ other than the lithium ion, n representing a chemical valence of the metal cation; the first anion is a difluoroxalate borate anion DFOB?; mass concentration of the first cations in the non-aqueous electrolyte is D1 ppm, and mass concentration of the first anions in the non-aqueous electrolyte is D2 ppm, both based on total mass of the non-aqueous electrolyte; and the non-aqueous electrolyte satisfies that D1 is 0.5 to 870 and that D1/D2 is 0.02 to 2. The non-aqueous electrolyte in this application enables the secondary battery to have good cycling performance, safety performance, and kinetic performance.

Abstract: The present invention relates to a microplastic detection device and method based on a pyrolysis-mass spectrometry technology. The microplastic detection device based on a pyrolysis-mass spectrometry technology provided by the present invention is substantially a sealed gas path device system formed connected via pipelines. The device includes a working gas source, a pyrolysis device, a filter and a mass spectrometer which are connected in sequence. After a microplastic sample is placed into the pyrolysis device, the microplastic sample is decomposed in the pyrolysis device, and pyrolysis products from the microplastic sample driven by a carrier gas of the working gas source enter the mass spectrometer for detection and analysis after being filtered by the filter. Furthermore, the present invention provides a microplastic detection method based on a pyrolysis-mass spectrometry. The present invention is widely applied to the field of a microplastic detection technology.

Abstract: A self-adaptive data filter is developed to process data having tree-structured formats, such as, JSON, XML, and YML. Unlike conventional data filtering methods, which require different filters for different data structures, in one aspect, the disclosed self-adaptive data filter is data structure agnostic and can be used to process a wide variety of data structures. In another aspect, the self-adaptive data filter of this disclosure allows for fuzzy search.

Abstract: According to an exemplary embodiment of the present invention, a method is provided. The method includes identifying UI controls in a GUI for display on a screen of a computing device. The method further includes determining a position relationship of the UI controls. The method further includes mapping the UI controls to keyboard areas such that a position relationship of the keyboard areas corresponds with the position relationship of the UI controls. One or more keys within the individual areas are associated with the UI controls that are mapped to the respective keyboard areas.

Abstract: Disclosed is an antibody capable of binding to the interleukin 4 (IL-4) receptor (IL-4). Also disclosed are a nucleic acid sequence encoding the antibody, a vector including the nucleic acid sequence, and a host cell transformed or transfected with the vector. Provided are a method for producing the antibody, a medical use of the antibody, and a kit including the antibody.

Abstract: A computer-implemented method, a computer system and a computer program product generate user interface (UI) help content. The method includes generating a descriptor file for a UI based on at least one of a design prototype and front-end code of the UI. The descriptor file describes a group of attributes related to help content for at least one UI element of the UI and includes attribute-value pairs for the at least one UI element of the UI. The method also includes transforming the descriptor file into a help content document for the UI using a trained natural language generation (NLG) model.

Abstract: A method and system for preparing epoxypropane by direct epoxidation of propylene includes the steps of subjecting a mixed gas of a first feed gas and a second feed gas to a contact reaction with a catalyst under reaction conditions of propylene epoxidation to prepare epoxypropane. The first feed gas contains oxygen gas and is free or substantially free of hydrogen gas. The second feed gas contains hydrogen gas and is free or substantially free of oxygen gas. The first feed gas and/or the second feed gas contain propylene, at least one of the first feed gas and the second feed gas further contains a diluent gas. The method can be used for reducing dosage of diluent gas, preferably recycling the tail gas, thereby significantly increasing the conversion rate of propylene without compromising the service life of catalyst.

Abstract: A method for federated data query includes: using, by a first electronic device, a joint query statement corresponding to a federated data query to obtain at least one operator containing a joint query operator; transforming the joint query operator to a first joint security operator; determining first data for intersection on the first electronic device by executing the first joint security operator, receiving second data for intersection from a second electronic device involved in the federated data query, and performing joint computing on the first data for intersection and the second data for intersection in a form of a ciphertext to obtain a joint data table; and determining a federated data query result corresponding to the at least one operator based on the joint data table.

Abstract: A federated learning method includes: determining at least one candidate feature from data features corresponding to a training data-set, the candidate feature corresponding to at least two decision trends in a decision tree model; obtaining n first decision tree models by taking the at least one candidate feature as a model construction foundation, value of n corresponding to number of the at least one candidate feature; determining at least one second decision tree model from the n first decision tree models based on prediction results of the n first decision tree models on training data in the training data-set; and transmitting the second decision tree model to a second computing device, the second computing device being configured to fuse at least two decision tree models that comprise the second decision tree model to obtain a federated learning model.